<template>
    <div class="article_detail">
        <div class="detail">
            <div class="title">{{ articleDetail.title }}</div>
            <div class="user">
                <div class="avatar">
                    <img src="@/assets/avatar.png" alt="">
                </div>
                <div class="atuhor after">作者：{{ articleDetail.author }}</div>
                <div class="time after">发布于：{{ formateDate(articleDetail.create_time) }}</div>
                <div class="read">阅读：{{ articleDetail.read }}</div>
            </div>
            <article>
                <div class="banner">
                    <img :src="articleDetail.article_cover_pic" alt="">
                </div>
                <div class="article-content" v-html="articleDetail.content"></div>
            </article>

            <div class="share">
                <div class="left">
                    <div class="share-item" :style="{ background: randomColor(50, 150) }">
                        <i class="iconfont icon-weixin"></i>
                    </div>
                    <div class="share-item" :style="{ background: randomColor(50, 150) }">
                        <i class="iconfont icon-QQ"></i>
                    </div>
                </div>
                <div class="right">
                    <el-button color="#8E6FF7" class="btn" @click="addLike">
                        <i class="iconfont icon-dianzan"></i>
                        点赞文章
                    </el-button>
                </div>
            </div>
        </div>
        <div class="comment">
            <div class="title">评论</div>
            <div class="comment-input">
                <textarea v-model="comment" placeholder="写下你的评论..."></textarea>
            </div>
            <el-button color="#8E6FF7" class="btn" @click="publish">发表评论</el-button>
            <div class="comment-list">
                <ul>
                    <li class="list-item" v-for="item in commentList" :key="item.comment_id">
                        <div class="avatar">
                            <img :src="item.user_avatar ? item.user_avatar : baseImg" alt="">
                        </div>
                        <div class="comment-content">
                            <div class="comment-user">{{ item.user_nickname }}</div>
                            <div class="comment-text">
                                {{ item.comment_content }}
                            </div>
                            <div class="comment-time">{{ formateDate(item.comment_created_at, true) }}</div>
                        </div>
                    </li>
                </ul>
            </div>
        </div>
    </div>
</template>

<script setup>
import { onMounted, ref } from 'vue'
import { useRoute } from 'vue-router'
import { getArticleDetailById, addLikeApi, addCommentApi, getCommentList } from '@/api/index.js'
import { formateDate } from '@/utils/formateDate.js'
import { randomColor } from '@/utils/randomColor.js'
import { isLogin } from '@/utils/isLogin.js'
import baseImg from '@/assets/vue.svg'

const route = useRoute()
// console.log(route.query.id);
const articleDetail = ref({})
const comment = ref('')
const commentList = ref([])

onMounted(async () => {
    const res = await getArticleDetailById(route.query.id)
    articleDetail.value = res.data

    // 加载评论
    const commentRes = await getCommentList(route.query.id)
    console.log(commentRes);
    commentList.value = commentRes.data
})

const addLike = async () => {
    // 点赞, 向后端发送一个请求, 把文章的id传过去，用户的id也传过去
    // 登录问题
    if (isLogin()) { // 登录了
        const res = await addLikeApi({ article_id: route.query.id })
        ElMessage({
            message: res.msg,
            type: res.data === 'success' ? 'success' : 'warning',
        })
    } else {
        ElMessage({
            message: '点赞功能需要先登录哦',
            type: 'warning',
        })
    }
}

// 发表评论
const publish = async () => {
    if (comment.value === '') {
        ElMessage({
            message: '评论内容不能为空',
            type: 'error',
        })
        return
    }

    if (isLogin()) {
        const res = await addCommentApi({
            article_id: route.query.id,
            comment: comment.value
        })
        if (res.data === 'success') {
            ElMessage({
                message: '评论成功',
                type: 'success',
            })
            comment.value = ''
        } else {
            ElMessage({
                message: res.msg,
                type: 'error',
            })
        }

    } else {
        ElMessage({
            message: '评论功能需要先登录哦',
            type: 'warning',
        })
    }
}
</script>

<style lang="less" scoped>
.article_detail {
    width: 100%;
    background-color: #F9FAFB;
    min-height: calc(100vh - 140px);
    padding: 32px 0;
    box-sizing: border-box;

    .detail {
        width: 60%;
        margin: 0 auto;
        background-color: #fff;
        border-radius: 16px;
        padding: 32px 24px;
        box-sizing: border-box;

        .title {
            font-family: Roboto, Roboto;
            font-weight: 700;
            font-size: 30px;
            color: #111827;
            line-height: 36px;
            margin-bottom: 16px;
        }

        .user {
            display: flex;
            align-items: center;
            font-weight: 400;
            font-size: 14px;
            color: #6B7280;
            line-height: 20px;

            .avatar {
                width: 40px;
                height: 40px;
                border-radius: 50%;
                overflow: hidden;
                margin-right: 12px;

                img {
                    width: 100%;
                }
            }

            .after {
                margin-right: 8px;
                padding-right: 8px;
                position: relative;

                &::after {
                    content: '';
                    width: 1px;
                    height: 12px;
                    background-color: #6B7280;
                    position: absolute;
                    right: 0;
                    top: 50%;
                    transform: translateY(-50%);
                }
            }
        }

        article {
            padding: 32px 0 56px 0;

            .banner {
                width: 100%;
                height: 256px;
                margin-bottom: 32px;
                overflow: hidden;
                border-radius: 16px;

                img {
                    width: 100%;
                }
            }
        }

        .share {
            width: 100%;
            height: 68px;
            display: flex;
            justify-content: space-between;
            align-items: center;

            .left {
                display: flex;

                .share-item {
                    margin-right: 16px;
                    width: 32px;
                    height: 32px;
                    border-radius: 50%;
                    cursor: pointer;
                    // background-color: #6B7280;
                    text-align: center;
                    line-height: 32px;

                    .iconfont {
                        font-size: 20px;
                        color: #fff;
                    }
                }
            }

            .right {
                .btn {
                    color: #fff;
                }
            }
        }
    }

    .comment {
        width: 60%;
        margin: 0 auto;
        margin-top: 48px;

        .title {
            font-weight: 700;
            font-size: 24px;
            color: #111827;
            line-height: 32px;
            margin-bottom: 24px;
        }

        .comment-input {
            width: 100%;
            height: 114px;
            border-radius: 16px;
            border: 1px solid #E5E7EB;
            overflow: hidden;
            margin-bottom: 15px;

            textarea {
                border: none;
                width: 100%;
                height: 100%;
                padding: 10px;
                box-sizing: border-box;
                outline: none;
            }
        }

        .btn {
            color: #fff;
        }

        .comment-list {
            margin-top: 32px;

            .list-item {
                display: flex;
                margin-bottom: 24px;

                .avatar {
                    flex: 0 0 40px;
                    height: 40px;
                    border-radius: 50%;
                    overflow: hidden;
                    margin-right: 12px;

                    img {
                        width: 100%;
                    }
                }

                .comment-content {
                    flex: 1;

                    .comment-user {
                        font-weight: 500;
                        font-size: 14px;
                        color: #111827;
                        line-height: 20px;
                        margin-bottom: 4px;
                    }

                    .comment-text {
                        font-weight: 400;
                        font-size: 14px;
                        color: #4B5563;
                        line-height: 20px;
                        margin-bottom: 8px;
                    }

                    .comment-time {
                        font-weight: 400;
                        font-size: 12px;
                        color: #6B7280;
                        line-height: 16px;
                    }
                }
            }
        }
    }
}
</style>